Video: Dab tsi yog meant los ntawm watershed infarction?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
1 lub dej nyab infarct , kev kho mob: thaj chaw ib puag ncig ntawm ischemic cov nqaij tuag hauv thaj tsam ntawm lub paj hlwb nyob ntawm qhov chaw deb tshaj plaws ntawm cov ntshav los ntawm ob qhov sib cais ntawm lub paj hlwb uas tshwm sim los ntawm cov ntshav tsis txaus (xws li los ntawm cov ntshav qis, vasculitis, lossis ntshav khov)
Ntawm no, dab tsi yog infarct?
Infarction yog cov ntaub so ntswg tuag (necrosis) vim cov ntshav tsis txaus rau thaj tsam cuam tshuam. Nws tuaj yeem tshwm sim los ntawm cov hlab ntsha txhaws, rupture, mechanical compression, lossis vasoconstriction. Qhov tshwm sim lesion yog hu ua ib tug infarct (los ntawm Latin infarctus, "ntim rau hauv").
Tom qab ntawd, lo lus nug yog, thaj tsam dej ntawm lub hlwb yog dab tsi? Cov thaj chaw dej yog thaj tsam ntawm lub hlwb uas ib txhij tau txais cov ntshav los ntawm ob pawg ntawm cov hlab ntsha. Yog tias cov ntshav tsis txaus (los ntawm kev thaiv lub nkoj lossis txwv cov ntshav ntws) nws tuaj yeem muaj teeb meem, ua rau ntug dej mob stroke.
Ib yam nkaus, tib neeg nug, dab tsi ua rau dej nyab?
Socio-economic thiab Political Ua Ntau yam kev noj nyiaj txiag thiab kev nom kev tswv ua rau tuaj yeem ua rau av tsis zoo. Raws li tau hais ua ntej, kev loj hlob ntawm cov pej xeem yog qhov loj ua rau ntawm degradation, vim nws pab rau overgrazing, overexploitation thiab deforestation.
Dab tsi yog mob infarct?
Ib lub paj hlwb infarction yog thaj tsam ntawm cov nqaij mos necrotic hauv lub hlwb ua los ntawm kev txhaws lossis nqaim hauv cov hlab ntsha muab ntshav thiab oxygen rau lub hlwb. Cov no txawv infarcts yuav tsim cov tsos mob sib txawv thiab cov txiaj ntsig.
Pom zoo:
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